function insert_sape_links($num)
{
    if (!defined('_SAPE_USER')){
        define('_SAPE_USER', '0000000000000000000000000000');
        require_once($_SERVER['DOCUMENT_ROOT'].'/'._SAPE_USER.'/sape.php');
    }

    if(!isset($_SERVER["sape"]))
    {
        $_SERVER["sape"] = $sape = new SAPE_client(array( "charset" => "UTF-8") );
    }
    else
    {
        $sape = $_SERVER["sape"];
    }

    $c = $sape->return_links($num);
    if(!empty($c))
    {
        return $c;
    }
    
    return null;
}

<?php echo insert_sape_links(1) ?>